Down Hole Injection, Inc
4Patents
1Active
4Granted
26Portfolio score
Filing activity: Jul 29, 1997 → Dec 14, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6886636B2 | Downhole fluid disposal apparatus and methods | Fixed Constructions | 6 | Expired |
| US7150315B2 | Downhole fluid disposal apparatus and methods | Fixed Constructions | 3 | Expired |
| US5979552A | Dual annulus production tool | Fixed Constructions | 2 | Expired |
| US7401645B2 | Downhole fluid disposal apparatus and methods | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.